DTC B1176: Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Short
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 30 seconds.
- Check for DTCs with the HDS.
Is DTC B1176 indicated?
YES -Go to step 5.
NO -Intermittent failure, the fuel level sensor circuit is OK at this time. Check for worn/missing insulation or an internal short in the wire.
- Turn the ignition switch to LOCK (0).
- Disconnect the fuel tank unit 4P connector.
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Wait for at least 30 seconds.
- Check for DTCs with the HDS.
Is DTC B1176 indicated?
YES -Go to step 11.
NO -Replace the fuel gauge sending unit (see FUEL PUMP/FUEL GAUGE SENDING UNIT REPLACEMENT ).
- Disconnect the gauge control module 32P connector.
- Check for continuity between gauge control module 32P connector terminal No. 22 and body ground.Fig 1: Checking Continuity Between Gauge Control Module 32P Connector Terminal No. 22 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair a short to ground in the wire between the gauge control module and the fuel tank unit.
NO -Go to step 13.
- Check for continuity between gauge control module 32P connector terminal No. 21 and No. 22.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair a short in the wire between the gauge control module and the fuel tank unit.
NO -Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).